Taking a katana with niku and applying the wrong sharpening technique is not a very good idea.

How to sharpen a sword with no edge. You can order a set of sharpening stones via several internet sights. This article will provide an overview of three main methods for sharpening a sword: Sharpening a sword using traditional methods.

This edge may get dull over time and require sharpening. A keen edge is part of the attraction of a sword, whether you have one or numerous. While working on a blade that has.

However, if you do wish to just touch up the edge a little you can do so with a small square of.